Perhaps you should try some spelling variations:
poly equation » golay equation, pol's equation, py equation
pole equation » cole equation, people equation, pol's equation
pol » pool, poll
pole » poole, polle
poly » pooly, polly

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((( pol equation ) OR ( pole equation ))) OR ( poly equation )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( pol equation ) OR ( pole equation ))) or ( poly equation ))".
• Adding a wildcard symbol may retrieve word variants: (((( pol equation ) OR ( pole equation ))) or ( poly equation ))*.